<template>
  <div >
    <el-form ref="loginForm" :model="form" :rules="rules" label-width="80px" class="login-box"   >

      <h3 class="login-title">欢迎登录</h3>
      <el-form-item label="账号" prop="username">
        <el-input type="text"    placeholder="请输入账号" v-model="form.username"/>
      </el-form-item>
      <el-form-item label="密码" prop="password">
        <el-input type="password" placeholder="请输入密码" v-model="form.password"/>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" v-on:click="onSubmit('loginForm')">登录</el-button>
        <el-button type="primary" >注册</el-button>
      </el-form-item>
    </el-form>

    <el-dialog
      title="温馨提示"
      :visible.sync="dialogVisible"
      width="30%"
      :before-close="handleClose">
      <span>请输入账号和密码</span>
      <span slot="footer" class="dialog-footer">
        <el-button type="primary" @click="dialogVisible = false">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
  export default {
    name: "Login",
    data() {
      return {
        form: {
          username: '啊',
          password: '1'
        },
        // 表单验证，需要在 el-form-item 元素中增加 prop 属性
        rules: {
          username: [
            {required: true, message: '账号不可为空', trigger: 'blur'}
          ],
          password: [
            {required: true, message: '密码不可为空', trigger: 'blur'}
          ]
        },
        // 对话框显示和隐藏
        dialogVisible: false
      }
    },
    methods: {
      onSubmit(formName) {
        // 为表单绑定验证功能
        this.$refs[formName].validate((valid) => {
          if (valid) {
            // 使用 vue-router 路由到指定页面，该方式称之为编程式导航
            this.$router.push("/main");

          } else {
            this.dialogVisible = true;
            return false;
          }
        });
      }
    }
  }
</script>


<style>
  @import url("//unpkg.com/element-ui@2.14.1/lib/theme-chalk/index.css");
</style>

<style  >
  /*
  @import "D:/worksoft/vueproject/zzyvue/node_modules/element-ui/css/index.css";
   要安装 less-loader 组件
  npm install less less-loader --save-dev
    @import url("//unpkg.com/element-ui@2.14.1/lib/theme-chalk/index.css");

  */

  @import "css/index.css";

</style>
